The integral of a sum is the sum of the integrals, so we can integrate each term separately. The integral of \(2x^3\) is \(\frac{1}{2}x^4\), and the integral of \(x\) is \(\frac{1}{2}x^2\). So, the integral of the function is:
$$
\int (2x^3 + x) dx =
Show more…